From: Dave Jiang <dave.jiang@xxxxxxxxx> [ Upstream commit 1c4841ccbd2b185587010d6178aac11953f61d4c ] engine 'struct device' setup is missing assigning the bus type. Add it to dsa_bus_type. Fixes: 75b911309060 ("dmaengine: idxd: fix engine conf_dev lifetime") Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx> Link: https://lore.kernel.org/r/161947841562.984844.17505646725993659651.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/dma/idxd/init.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index 59f2104ffc77..f73677490b6c 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -218,6 +218,7 @@ static int idxd_setup_engines(struct idxd_device *idxd) engine->idxd = idxd; device_initialize(&engine->conf_dev); engine->conf_dev.parent = &idxd->conf_dev; + engine->conf_dev.bus = &dsa_bus_type; engine->conf_dev.type = &idxd_engine_device_type; rc = dev_set_name(&engine->conf_dev, "engine%d.%d", idxd->id, engine->id); if (rc < 0) { -- 2.30.2